<template>
  <view>
  <view class="goods-detail-container">
    <!-- 轮播图区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item,index) in goods_info.pics" :key="index" @click="preview(index)">
        <image :src="item.pics_big"></image>
      </swiper-item>
    </swiper>
    
    <!-- 信息主体区域 -->
    <view class="goods-info-box" v-if="goods_info.goods_name">
      
      <view class="good-info-price">￥{{goods_info.goods_price}}</view>
      <view class="goods-info-body">
        <view class="goods-name">{{goods_info.goods_name}}</view>
        <view class="goods-favi">
          <uni-icons type="star" size="18" color="gray"></uni-icons>
          <text>收藏</text>
        </view>
      </view>
      <view class="goods-info-yf">快递:免运费--{{cart.length}}</view>
      
    </view>
    
    <!-- 商品详情区域 -->
    <rich-text :nodes="goods_info.goods_introduce"></rich-text>
    
  </view>

  <!-- 底部导航 -->
  <view class="goods-nav">
    <uni-goods-nav :fill="true"  :options="options" :buttonGroup="buttonGroup"  @click="onClick" @buttonClick="buttonClick" />
  </view>


</view>
</template>

<script>
  import {mapState,mapMutations,mapGetters} from 'vuex'
  export default {
      
    computed:{
      ...mapState('m_cart',['cart']),
      ...mapGetters('m_cart',['total'])
    },
    data() {
      return {
        goods_info:{},
          options: [{
        			icon: 'headphones',
        			text: '客服'
        		}, {
        			icon: 'shop',
        			text: '店铺',

        		}, {
        			icon: 'cart',
        			text: '购物车',
        			info: 0
        		}],
        	    buttonGroup: [{
        	      text: '加入购物车',
        	      backgroundColor: '#ff0000',
        	      color: '#fff'
        	    },
        	    {
        	      text: '立即购买',
        	      backgroundColor: '#ffa200',
        	      color: '#fff'
        	    }
        	    ]
      }
    },
    methods: {
      ...mapMutations('m_cart',['addToCart']),
      async getGoodsInfo(goods_id){
        const {data:res}=await uni.$http.get('/api/public/v1/goods/detail',{goods_id})
        //处理数据
        res.message.goods_introduce=res.message.goods_introduce
        .replace(/<img/g,'<img style="display:block";')
        .replace(/webp/g,'jpg')
        this.goods_info=res.message
      },
      preview(i){
        uni.previewImage({
          current:i,
          //所有图片的数组
          urls:this.goods_info.pics.map(x=>x.pics_big)
        })
      },
      //底部导航api
      
      //左侧按钮
       onClick (e) {
      	   if(e.content.text==='购物车'){
            uni.switchTab({
              url:'/pages/cart/cart'
            })
           }
      	  },
           
         buttonClick (e) {
           
      	  if(e.content.text==="加入购物车"){
            const goods={
              goods_id:this.goods_info.goods_id,
              goods_name:this.goods_info.goods_name,
              goods_price:this.goods_info.goods_price,
              goods_count:1,
              goods_small_logo:this.goods_info.goods_small_logo,
              goods_state:true
            }
            this.addToCart(goods)
          }
    
         }
          
      
      	
    },
    onLoad(options){
      const goods_id=options.goods_id
      this.getGoodsInfo(goods_id)
    },
    watch:{
      total:{
        handler(newValue){
           const findResult=this.options.find(item=>item.text==='购物车')
           if(findResult){
           findResult.info=newValue
        }
      },
      immediate:true
    }
    
    }
  }
</script>

<style lang="scss">
  
  .goods-detail-container {
    padding-bottom: 50px;
    
    
    swiper {
      height: 750rpx;
      image {
        width: 100%;
        height: 100%;
      }
    }
    
    .goods-info-box {
      padding: 10px;
      padding-right: 0;
      .good-info-price {
        color: #c00000;
        margin: 10px 0;
        font-size: 18px;
      }
      .goods-info-body {
        display: flex;
        justify-content: space-between;
        .goods-name {
          font-size: 13px;
          padding-right: 10px;
        }
        .goods-favi {
          width: 120px;
          font-size: 12px;
          display: flex;
          flex-direction: column;
          align-items: center;
          justify-content: center;
          border-left: 1px solid #efefef;
          color: gray;
        }   
      }
      .goods-info-yf {
         margin: 10px 0;
        font-size: 12px;
        color: gray;
      }
      
    }

  }
  
  .goods-nav {
    position: fixed;
    bottom:0;
    left: 0;
    width: 100%;
  }
</style>
